---
title: "RectangleRubberband..::.autoPostBack Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_RectangleRubberband_autoPostBack.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# RectangleRubberband.autoPostBack Property 
 
Gets/sets a value indicating whether a postback to the server automatically occurs when the user stops modifying the rectangle.
 
**Namespace:** [GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
function get_autoPostBack();
function set_autoPostBack(value);
```
 
### Property Value
The value which is **true** when a postback to the server automatically occurs whenever the user stops changing the rectangle; **false** otherwise.
 
## Remarks
  
Default value is **false**.
 
This property corresponds to [RectangleRubberband.AutoPostBack](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_RectangleRubberband_AutoPostBack.htm.md) server-side member.
   
## See Also

### Reference

- [RectangleRubberband Class](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_RectangleRubberband.htm.md)
- [GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)